What you need to know about lithium batteries

Protection Chip

Topping & Trickle Charge

Optimized Charging

Voltage VS Discharge Cycles

Quick Charge

The "battery saver" apps

Does my smartphone disconnect the battery from the power when it’s fully charged?

To prove that our smartphones are not that smart a laboratory test was performed in which it analyzes itself as a latest generation smartphone manages the battery charging phase.

In the video test you can see how the smartphone keep up battery at its end-of-charge voltage of 4.35V although it has already reached 100% by some time. 

It is later shown that only with Witty's action the device comes disconnected from power grid when fully charged.

Lithium, the Oil of the Future